Basionym Name:Physcia tremulicola f. atra Lynge, Vidensk. Skrifter, I. Math.-naturv. Klasse(no. 8): 84 (1916)
Homotypic synonyms:Physcia nigricans f. atra (Lynge) Zahlbr., Cat. Lich. Univers. 7: 652 (1931)